[INFO] fetching crate ec2_instance_metadata 0.3.0...
[INFO] checking ec2_instance_metadata-0.3.0 against beta for pr-78714
[INFO] extracting crate ec2_instance_metadata 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ec2_instance_metadata 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ec2_instance_metadata 0.3.0
[INFO] finished tweaking crates.io crate ec2_instance_metadata 0.3.0
[INFO] tweaked toml for crates.io crate ec2_instance_metadata 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ec2_instance_metadata 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd1dffc93826199692094b8911983dd04c6b572af2af3dc1d557269e0eb2a7d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd1dffc93826199692094b8911983dd04c6b572af2af3dc1d557269e0eb2a7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd1dffc93826199692094b8911983dd04c6b572af2af3dc1d557269e0eb2a7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1dffc93826199692094b8911983dd04c6b572af2af3dc1d557269e0eb2a7d6", kill_on_drop: false }`
[INFO] [stdout] dd1dffc93826199692094b8911983dd04c6b572af2af3dc1d557269e0eb2a7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5c5050155896216039a30b5255d9fd74e0fbb5b5bd38e820504b742c33db802
[INFO] running `Command { std: "docker" "start" "-a" "c5c5050155896216039a30b5255d9fd74e0fbb5b5bd38e820504b742c33db802", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking ureq v1.4.0
[INFO] [stderr]     Checking ec2_instance_metadata v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "c5c5050155896216039a30b5255d9fd74e0fbb5b5bd38e820504b742c33db802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c5050155896216039a30b5255d9fd74e0fbb5b5bd38e820504b742c33db802", kill_on_drop: false }`
[INFO] [stdout] c5c5050155896216039a30b5255d9fd74e0fbb5b5bd38e820504b742c33db802